NCIS DiNozzo and McGee (Michael Weatherly, Sean Murray) go to Sudan to investigate an assault on volunteer doctors — including the husband of DiNozzo's ex-girlfriend (Scottie Thompson). Jon Cryer continues his guest role. 8 p.m. CBS
The Flash Barry (Grant Gustin) devises a plan to defeat Zoom, but Caitlin and Jay (Danielle Panabaker, Teddy Sears) fear Barry isn't ready for the battle in this new episode. 8 p.m. KTLA
Grandfathered Dave Coulier is reunited with "Full House" costar John Stamos in this new episode. 8 p.m. Fox
NCIS: New Orleans While...